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Related papers: N\'eel Spin Currents in Antiferromagnets

200 papers

Non-collinear antiferromagnets (nAFMs) with a small net magnetic moment offer new opportunities for ultrafast spintronic devices, owing to unique physical properties. While in ferromagnets and collinear AFMs the spin current polarization is…

Mesoscale and Nanoscale Physics · Physics 2025-03-18 Ping Tang , Gerrit E. W. Bauer

Spin-polarized currents play a key role in spintronics. Recently, it has been found that antiferromagnets with a non-spin-degenerate band structure can efficiently spin-polarize electric currents, even though their net magnetization is…

Materials Science · Physics 2021-12-20 Gautam Gurung , Ding-Fu Shao , Evgeny Y. Tsymbal

We unravel the origin of current-induced magnetic switching of insulating antiferromagnet/heavy metal systems. We utilize concurrent transport and magneto-optical measurements to image the switching of antiferromagnetic domains in specially…

Materials Science · Physics 2020-12-15 H. Meer , F. Schreiber , C. Schmitt , R. Ramos , E. Saitoh , O. Gomonay , J. Sinova , L. Baldrati , M. Kläui

Spintronics uses spins, the intrinsic angular momentum of electrons, as an alternative for the electron charge. Its long-term goal is in the development of beyond-Moore low dissipation technology devices. Recent progress demonstrated the…

Mesoscale and Nanoscale Physics · Physics 2018-09-14 R. Lebrun , A. Ross , S. A. Bender , A. Qaiumzadeh , L. Baldrati , J. Cramer , A. Brataas , R. A. Duine , M. Kläui

Magnetic tunnel junctions (MTJs) are the key building blocks of high-performance spintronic devices. While conventional MTJs rely on ferromagnetic (FM) materials, employing antiferromagnetic (AFM) compounds can significantly increase…

Antiferromagnets (AFMs) exhibit spin arrangements with no net magnetization, positioning them as promising candidates for spintronics applications. While electrical manipulation of the single-crystal AFMs, composed of periodic spin…

Materials Science · Physics 2023-10-19 Chao-Yao Yang , Sheng-Huai Chen , Chih-Hsiang Tseng , Chang-Yang Kuo , Hsiu-Hau Lin , Chih-Huang Lai

Antiferromagnetic materials could represent the future of spintronic applications thanks to the numerous interesting features they combine: they are robust against perturbation due to magnetic fields, produce no stray fields, display…

Materials Science · Physics 2018-02-20 V. Baltz , A. Manchon , M. Tsoi , T. Moriyama , T. Ono , Y. Tserkovnyak

The pursuit of dissipationless spin supercurrents is a central theme in superconducting spintronics. We propose a field-free Josephson junction using an inhomogeneous altermagnetic interlayer with in-plane N\'{e}el vectors. We show that the…

Superconductivity · Physics 2026-05-11 Wenjun Zhao , Yuri Fukaya , Pablo Burset , Jorge Cayao , Yukio Tanaka , Bo Lu

The controlled switching between two quasi-stable Neel states in adsorbed anti-ferromagnetic Fe chains has recently been achieved by Loth et al [Science 335, 196 (2012)]. In order to rationalize their data, we evaluate the rate of tunneling…

Mesoscale and Nanoscale Physics · Physics 2013-12-30 Jean-Pierre Gauyacq , Simeon Moises Yaro , Xavier Cartoixa , Nicolas Lorente

We experimentally compare two types of interface structures with magnetic and non-magnetic Weyl semimetals. They are the junctions between a gold normal layer and magnetic Weyl semimetal Ti$_2$MnAl, and a ferromagnetic nickel layer and…

Mesoscale and Nanoscale Physics · Physics 2020-04-28 V. D. Esin , D. N. Borisenko , N. N. Kolesnikov , E. V. Deviatov

Antiferromagnetic materials with spin splitting have attracted considerable attention for their symmetry-enabled anisotropic spin textures that sustain a zero net magnetization, thereby facilitating efficient spin-current generation. In…

Materials Science · Physics 2026-03-25 Jiabin Wang , Wancheng Zhang , Zhenhua Zhang , Rui Xiong , Yong Liu , Zhihong Lu

The utilization of two-dimensional (2D) materials in magnetic tunnel junctions (MTJs) has shown excellent performance and rich physics. As for 2D antiferromagnets, the magnetic moments in different layers respond asynchronously and can be…

Mesoscale and Nanoscale Physics · Physics 2025-12-04 Xiaolin Ren , Ruizi Liu , Yiyang Zhang , Yuting Liu , Xuezhao Wu , Kun Qian , Kenji Watanabe , Takashi Taniguchi , Qiming Shao

Altermagnets host chirally split magnons that promise unique functionalities for information processing. However, their distinctive transport signatures, crucial for experimental identification and manipulation, remain elusive. Here, we…

Mesoscale and Nanoscale Physics · Physics 2026-05-05 Yanmeng Lei , Rui-Chun Xiao , Weiwei Lin , Tao Yu

In this work, we study the spin transport at the Ferromagnet$|$Noncentrosymmetric Superconductor (F$|$NCSC) junction of a Ferromagnet$|$Noncentrosymmetric Superconductor$|$Ferromagnet (F$|$NCSC$|$F) spin valve. We investigate the Tunnelling…

Superconductivity · Physics 2019-10-15 Saumen Acharjee , Umananda Dev Goswami

Antiferromagnetic spintronics exhibits ultra-high operational speed and stability in a magnetic field, holding promise for the realization of next-generation ultra-high-speed magnetic storage. However, theoretical exploration of the…

Materials Science · Physics 2025-01-08 Zhi Yan , Dan Qiao , Wentian Lu , Xinlong Dong , Xiaohong Xu

Researchers have recently identified a novel class of magnetism, termed "altermagnetism", which exhibits characteristics of both ferromagnetism and antiferromagnetism. Here, we report a groundbreaking discovery of efficient field-free…

Applied Physics · Physics 2024-07-11 Zhuoyi Li , Zhe Zhang , Xianyang Lu , Yongbing Xu

Efficient manipulation of the N\'eel vector in antiferromagnets can be induced by generation of spin orbit (SOT) or spin-transfer (STT) torques. Here we predict another possibility for antiferromagnetic domain switching by using a non-zero…

We report measurements demonstrating that when the Neel vector of the collinear antiferromagnet RuO2 is appropriately canted relative to the sample plane, the antiferromagnet generates a substantial out of plane damping-like torque. The…

We consider electron transport in ferromagnets or antiferromagnets sandwiched between metals. When spins in the magnetic materials precess, they emit currents into the surrounding conductors. Generally, adiabatic pumping in mesoscopic…

Mesoscale and Nanoscale Physics · Physics 2020-08-17 Arne Brataas

Current-induced spin torques provide efficient data writing approaches for magnetic memories. Recently, the spin splitting torque (SST) was theoretically predicted (R. Gonz\'alez-Hern\'andez et al. Phys. Rev. Lett. 126, 127701 (2021)),…

Materials Science · Physics 2022-05-25 Hua Bai , Lei Han , Xiaoyu Feng , Yongjian Zhou , Qian Wang , Wenxuan Zhu , Xianzhe Chen , Feng Pan , Xiaolong Fan , Cheng Song